<?php

Yii::import('application.vendors.*');
require_once 'SimpleImage.php';


class GuestsController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$model = $this->loadModel($id);
		$pictureModel=Pictures::model()->findByPk($model->picture_id);
		if ($pictureModel == null) {
			$pictureModel = new Pictures();
			$pictureModel->path = "unknown.png";
		}

		$this->render('view',array(
			'pictureModel'=>$pictureModel,
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Guests;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Guests']))
		{
			$fileName = "";
			$model->attributes=$_POST['Guests'];
			if ($model->validate()) {
				$CUploadedFileInstance = CUploadedFile::getInstance($model, 'picture_id');
				if (!is_null($CUploadedFileInstance)) {
					$model->picture_id = CUploadedFile::getInstance($model, 'picture_id');
					$fileName = tempnam(Yii::app()->params['guestImagesPath'], 'img');
					$ext = pathinfo($model->picture_id, PATHINFO_EXTENSION);
					unlink($fileName);
					$thumbFileName = $fileName . '.thumb.' . $ext;
					$fileName = $fileName . '.' . $ext;
					$model->picture_id->saveAs($fileName);
					
					//Create Thumbnail
					$image = new SimpleImage();
					$image->load($fileName);
					if ($image->getWidth() > 250) {
						$image->resizeToWidth(250);
					}
					$image->save($thumbFileName);
					
					//Add Row to Pictures
					$picturesModel = new Pictures;
					$picturesModel->path = basename($thumbFileName);
					$picturesModel->save();
					
					$model->picture_id=$picturesModel->picture_id;
					
					unlink($fileName);
				} else {
					$model->picture_id=null;
				}
				
				if ($model->save()) {
					$this->redirect(array('view','id'=>$model->guest_id));
				}
			}
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Guests']))
		{
			$fileName = "";
			$oldPictureId = $model->picture_id;
			$model->attributes=$_POST['Guests'];
			if ($model->validate()) {
				$CUploadedFileInstance = CUploadedFile::getInstance($model, 'picture_id');
				
				if (!is_null($CUploadedFileInstance)) { //User uploaded new picture
					$model->picture_id
						= CUploadedFile::getInstance($model, 'picture_id');
					$fileName = tempnam(Yii::app()->params['guestImagesPath'], 'img');
		                        $ext = pathinfo($model->picture_id, PATHINFO_EXTENSION);
		                        unlink($fileName);
		                        $thumbFileName = $fileName . '.thumb.' . $ext;
                                        $fileName = $fileName . '.' . $ext;
                                        $model->picture_id->saveAs($fileName);

                                        //Create Thumbnail
                                        $image = new SimpleImage();
                                        $image->load($fileName);
                                        if ($image->getWidth() > 250) {
                                            $image->resizeToWidth(250);
                                        }
                                        $image->save($thumbFileName);

                                        //Time to add row to pnm_pictures
                                        $picturesModel = new Pictures;
                                        $picturesModel->path = basename($thumbFileName);
                                        $picturesModel->save();
                     
                                        $model->picture_id=$picturesModel->picture_id;
					
					unlink($fileName);
                                } else {
                                        if (is_numeric($oldPictureId)) {
                                            $model->picture_id=$oldPictureId;
                                        } else {
                                            $model->picture_id=null;
                                        }
                                }
				
			}
			if($model->save()) {
			    //If PNM has old picture, and we updated it
			    if (is_numeric($oldPictureId) && !is_null($CUploadedFileInstance) && ($oldPictureId != 0)) {
				$oldPicturesModel = Pictures::model()->findByPk($oldPictureId);
                            
                                //Now Delete Images
                                if (($oldPicturesModel->path != "") && file_exists(Yii::app()->params['guestImagesPath'] . $oldPicturesModel->path)) {
					unlink(Yii::app()->params['guestImagesPath'] . $oldPicturesModel->path);
				}
	                        $oldPicturesModel->delete();
                         
	                    }
			    $this->redirect(array('view','id'=>$model->guest_id));
			}
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Guests');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Guests('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Guests']))
			$model->attributes=$_GET['Guests'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=Guests::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='guests-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
